Suchergebnisse
Suchergebnisse:
Lionel Sharples Penrose was born in 1898 and died in 1972. He left school in 1917 and joined the Friends No 5 Ambulance Train of the British Red Cross, serving in France for most of 1918. At that time he attended a lecture on Freud and his teachings and in particular the interpretation of dreams. He joined St John's College, Cambridge (1919 ...
Lionel Penrose (Q339375) From Wikidata. Jump to navigation Jump to search. British psychiatrist, medical geneticist, mathematician, and chess theorist (*1898 – †1972) Lionel Sharples Penrose; edit. Language Label Description Also known as; English: Li ...
The Penrose stairs or Penrose steps, also dubbed the impossible staircase, is an impossible object created by Oscar Reutersvärd in 1937 [1] [2] [3] and later independently discovered and made popular by Lionel Penrose and his son Roger Penrose. A variation on the Penrose triangle, it is a two-dimensional depiction of a staircase in which the ...
Lionel Penrose (1898-1972) was an important leader during the mid-20th century decline of eugenics and the development of modern medical genetics. However, historians have paid little attention to his radical theoretical challenges to mainline eugenic concepts of mental disease.
Lionel Sharples Penrose was Galton professor of eugenics at University College London, and later emeritus professor. He was also director of the Kennedy-Galton Centre, Harperbury Hospital, St Albans, and an outstanding authority on the genetics of mental deficiency. He was born in London, the son of James Doyle Penrose, artist, and his wife Elizabeth Josephine, daughter of Alexander Peckover ...
Penrose triangle. The Penrose triangle, also known as the Penrose tribar, the impossible tribar, [1] or the impossible triangle, [2] is a triangular impossible object, an optical illusion consisting of an object which can be depicted in a perspective drawing. It cannot exist as a solid object in ordinary three-dimensional Euclidean space ...
